Grab bar



FIG. 1 is a perspective view of a grab bar of the new design;

FIG. 2 is a front elevational view of the grab bar of the new design;

FIG. 3 is a rear elevational view of the grab bar of the new design;

FIG. 4 is a left side elevational view of the grab bar of the new design, the right side elevational view being a mirror image thereof; and,

FIG. 5 is a top plan view of the grab bar of the new design, the bottom plan view being a mirror image thereof.

The portions of the Figures shown in broken lines are not part of the claimed design and are for illustration only. 

The ornamental design for a grab bar, as shown and described. 